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Go to:31. Cultural Treatments Designed to Reduce Spruce Sawlog Rotation Age

Go to:33. Stand Improvement, Semi-Permanent Tally Strip, Orzetti Sale

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Catalog of Long Term Research Conducted by the Northeastern Research Station

Catalog #32

Plant Composition and Production following Fire and Clear-Cutting for Salvage in Budworm-Defoliated Stands
To determine the effect of prescribed fire and clear-cutting for salvage on tree regeneration, plant composition, production and quality in spruce-fir and mixed-wood stands defoliated by spruce budworm.
Moosehorn National Wildlife Refuge, Washington County and Private Land in Bucksport located in Hancock County. Both sites in Maine. 45deg, 10min N. lat. by 67deg,10min long. and 44deg, 50min N. lat. by 68deg, 50min long.
Split-split plot with factorial; 3 major plots on each of 2 soil classes, subplots include burned, unburned, cut, uncut (salvaged). A separate ANOVA table was used to evaluate defoliated and undefoliated conditions.
The following types of stand treatments were applied to areas by deep and shallow soils: 
Defoliated, Salvaged, Burned Stands, 
Defoliated, Salvaged, Unburned Stands, 
Defoliated, Unsalvaged, Unburned Stands, and 
Undefoliated, Unsalvaged, Unburned Stands.
Plant production was sampled using weight estimation, clipping and microwave attenuation. Plant selection by ungulates was determined using trackable animals. Forage digestibility was determined by in-vitro analyses. Tree regeneration was measured on randomly located quadrants. Fire, reaction intensity and unit-area energy release was estimated by measuring flame length and rate of spread and heat sensitive paint.
1. Number of regenerating trees by species, diameter at root collar and height class. 
2. Plant production by species, parts and groups. 
3. Vegetation data (July-August 1980-1984). 
4. Vegetation selection by deer and moose (year round 1980-1981). 
5. Forage quality by species, parts, and groups. according to: 

a. Defoliated, salvaged, burned stands. 
b. Defoliated, salvaged, unburned stands. 
c. Defoliated, unsalvaged, unburned stands. 
d. Undefoliated, unsalvaged, unburned stands. 
e. Soil type.

Double-sampling techniques and error-checking computer programs were applied. Observers were trained and checked throughout study.
Raw and partially analyzed on computer tape, PC with ~2 megabytes, paper, and diskettes.
Studies of Ecosystem Processes. 
Crawford, H.S.; Lautenschlager, R.A.; Stokes, M.R.; Stone, T.L. 1993. Effects of forest disturbance and soil depth on digestible energy for moose and white-tailed deer. Res. Paper NE-682. Radnor, PA: U.S. Department of Agriculture, Forest Service, Northeastern Forest Experiment Station.
Tim Stone, USDA Forest Service, Penobscot Experimental Forest, 686 Government Road, Bradley, ME 04411. (207) 866-7256.



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